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Control of welding current and crack treatment of copper tube castings for water pump
- Mar 13, 2018 -

The use of pure copper for water pump copper pipe castings requires attention to avoid problems such as suction, rise of rising castings, etc. In addition, how to obtain good use effects and economic benefits on the casting products.

 

In the welding work of copper pipe castings of pumps, the welding current must be strictly controlled. If the welding current is too large, the temperature of the castings will increase, affecting the electrical and mechanical properties of the castings, and even making them unable to be used normally.

 

Water pump copper pipe casting cracks in the course of use, can be repaired, the general welding repair. If the crack is more or more, and affect the normal use of castings, it can only be scrapped without repair.

 

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